Description: A470 : Northbound : Taffs Well : Carriageway maintenance : Road closed : Diversions in place : 11/06/25-12/06/25 2000-0600 :, Start time: 11/06/2025 20:00 , End Date: 12/06/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/06/2025 7:17
Nearest town: 11.92 miles from Upper Cwmbran.

Description: A470 : Northbound : Taffs Well : Carriageway maintenance : Road closed : Diversions in place : 12/06/25-14/06/25 2000-0600 :, Start time: 12/06/2025 20:00 , End Date: 14/06/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/06/2025 7:19
Nearest town: 11.92 miles from Upper Cwmbran.

Description: A40 : Northbound : Gibraltar Tunnels : Carriageway maintenance : Road closed : Diversions in place : 09/06/25-10/06/25 2000-0600 :, Start time: 09/06/2025 20:00 , End Date: 10/06/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/06/2025 7:05
Nearest town: 17.78 miles from Upper Cwmbran.

Description: A40 : Southbound : Gibraltar Tunnels : Carriageway maintenance : Road closed : Diversions in place : 10/06/25-11/06/25 2000-0600 :, Start time: 10/06/2025 20:00 , End Date: 11/06/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/06/2025 7:06
Nearest town: 17.78 miles from Upper Cwmbran.

Description: A470 : Southbound : Nantgarw : Carriageway maintenance : Road closed : Diversions in place : 10/06/25-12/06/25 2000-0600 :, Start time: 10/06/2025 20:00 , End Date: 12/06/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/06/2025 7:13
Nearest town: 11.46 miles from Upper Cwmbran.

Location: westbound.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 11 June 2025 to 06:00 on 12 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.21 miles from Upper Cwmbran.

Location: eastbound.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 11 June 2025 to 06:00 on 12 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.16 miles from Upper Cwmbran.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 11 June 2025 to 15:00 on 11 June 2025.
Nearest town: 16.23 miles from Upper Cwmbran.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 10 June 2025 to 06:00 on 11 June 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.4 miles from Upper Cwmbran.

Location: southbound between junctions J17 (Bristol West) and J18 (Bristol) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 9 June 2025 to 06:00 on 10 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.97 miles from Upper Cwmbran.

Location: westbound between the M4 and junction J1 (Avonmouth) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 9 June 2025 to 06:00 on 10 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.15 miles from Upper Cwmbran.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 June 2025 to 06:00 on 10 June 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 11 June 2025 to 13 June 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.4 miles from Upper Cwmbran.

Location: southbound entry slip at junction J19 (Portishead) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 9 June 2025 to 06:00 on 10 June 2025.
Nearest town: 17.23 miles from Upper Cwmbran.

Location: southbound entry slip at junction J19 (Portishead) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 June 2025 to 06:00 on 10 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.23 miles from Upper Cwmbran.

Location: southbound exit slip at junction J19 (Portishead) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 June 2025 to 06:00 on 10 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.34 miles from Upper Cwmbran.

Location: northbound at junction J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 8 June 2025 to 22 August 2025.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 26 August 2025 to 28 March 2026.
Schedule : From 20:00 on 28 March 2026 to 04:00 on 29 March 2026.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 29 March 2026 to 1 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.96 miles from Upper Cwmbran.
